remove some java warnings

src/main/java/de/bixilon/minosoft/data/EntityClassMappings.kt

@@ -45,6 +45,7 @@ import de.bixilon.minosoft.data.entities.entities.vehicle.*
 import de.bixilon.minosoft.data.mappings.ModIdentifier
 
 object EntityClassMappings {
+    @SuppressWarnings("deprecation")
     private val ENTITY_CLASS_MAPPINGS: HashBiMap<Class<out Entity>, ModIdentifier> = HashBiMap.create(
         mapOf(
             AreaEffectCloud::class.java to ModIdentifier("area_effect_cloud"),

src/main/java/de/bixilon/minosoft/data/mappings/tweaker/VersionTweaker.java

@@ -32,6 +32,7 @@ import static de.bixilon.minosoft.protocol.protocol.ProtocolVersions.V_1_8_9;
 
 public class VersionTweaker {
     // some data was packed in mata data in early versions (1.8). This function converts it to the real identifier
+    @SuppressWarnings("deprecation")
     public static Class<? extends Entity> getRealEntityClass(Class<? extends Entity> fakeClass, EntityMetaData metaData, int versionId) {
         if (fakeClass == ZombiePigman.class) {
             return ZombifiedPiglin.class;

src/main/java/de/bixilon/minosoft/gui/rendering/chunk/ChunkRenderer.kt

@@ -96,7 +96,7 @@ class ChunkRenderer(private val connection: Connection, private val world: World
 
         for ((_, map) in chunkSectionsToDraw) {
             for ((_, mesh) in map) {
-                mesh.draw(chunkShader)
+                mesh.draw()
             }
         }
         glDisable(GL_CULL_FACE)

src/main/java/de/bixilon/minosoft/gui/rendering/chunk/WorldMesh.kt

@@ -1,6 +1,5 @@
 package de.bixilon.minosoft.gui.rendering.chunk
 
-import de.bixilon.minosoft.gui.rendering.shader.Shader
 import glm_.BYTES
 import org.lwjgl.opengl.GL11.GL_FLOAT
 import org.lwjgl.opengl.GL20.glEnableVertexAttribArray
@@ -28,7 +27,7 @@ class WorldMesh(data: FloatArray) {
         glBindBuffer(GL_ARRAY_BUFFER, 0)
     }
 
-    fun draw(chunkShader: Shader) {
+    fun draw() {
         glBindVertexArray(vAO)
         glDrawArrays(GL_TRIANGLES, 0, trianglesCount)
     }

src/main/java/de/bixilon/minosoft/protocol/packets/clientbound/play/PacketJoinGame.kt

@@ -77,7 +77,7 @@ class PacketJoinGame : ClientboundPacket() {
             buffer.readByte() // previous game mode
         }
         if (buffer.versionId >= ProtocolVersions.V_20W22A) {
-            val worlds = buffer.readStringArray()
+            buffer.readStringArray() // world
         }
         if (buffer.versionId < ProtocolVersions.V_20W21A) {
             dimension = buffer.connection.mapping.getDimension(buffer.readInt())!!